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Finding the Fourth Proportional to 60,642.60, 90,853.06 and 43,961.26

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Solution

The fourth proportional to 60,642.60, 90,853.06 and 43,961.26 is: 65,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,642.60 : 90,853.06 = 43,961.26 : x
  2. Step 2: Convert to fraction form
    60,642.60/90,853.06 = 43,961.26/x
  3. Step 3: Cross multiply
    60,642.60x = 90,853.06 × 43,961.26
  4. Step 4: Simplify right side
    60,642.60x = 3,994,014,992.46
  5. Step 5: Solve for x
    x = 3,994,014,992.46/60,642.60
  6. Step 6: Final answer
    x = 65,861.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.